Bip39-Standalone. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://bookmarklinx.com/story19548101/bip39-words-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39